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charset="us-ascii" Content-Transfer-Encoding: quoted-printable [Public] Thanks Alex for your reply. The patch is not fixing our issue. Thanks -Rajib From: Deucher, Alexander Sent: Thursday, August 26, 2021 11:48 PM To: Mahapatra, Rajib ; Wentland, Harry ; Kazlauskas, Nicholas ; Wu, Hers= en Cc: amd-gfx@lists.freedesktop.org Subject: Re: [PATCH] drm/amd/display: Set the domain as GTT when VRAM size = <=3D 32 MB [Public] I think this may have already been fixed with this patch: https://gitlab.freedesktop.org/agd5f/linux/-/commit/2a7b9a8437130fd328001f4= edfac8eec98dfe298 Alex ________________________________ From: Mahapatra, Rajib > Sent: Thursday, August 26, 2021 2:07 PM To: Wentland, Harry >= ; Kazlauskas, Nicholas >; Deucher, Alexander >; Wu, Hersen > Cc: amd-gfx@lists.freedesktop.org >; Mahapat= ra, Rajib > Subject: [PATCH] drm/amd/display: Set the domain as GTT when VRAM size <=3D= 32 MB [Why] In lower carve out (<=3D 32 MB) devices, it was unable to pin framebuffer i= n VRAM domain for some BO allocations. The device shows below error logs and sometimes it reboots too. amdgpu 0000:02:00.0: amdgpu: 00000000d721431c pin failed [drm:dm_plane_helper_prepare_fb] *ERROR* Failed to pin framebuffer with err= or -12 [How] Place the domain as GTT when VRAM size <=3D 32 MB. Signed-off-by: Rajib Mahapatra > --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 +++++++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdg= pu/amdgpu.h index dc3c6b3a00e5..d719be448eec 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -236,6 +236,7 @@ extern int amdgpu_num_kcq; #define AMDGPU_VM_MAX_NUM_CTX 4096 #define AMDGPU_SG_THRESHOLD (256*1024*1024) +#define AMDGPU_VRAM_MIN_THRESHOLD (32*1024*1024) #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default = */ #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */ diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gp= u/drm/amd/display/amdgpu_dm/amdgpu_dm.c index e1e57e7465a7..f71391599be1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -7106,8 +7106,16 @@ static int dm_plane_helper_prepare_fb(struct drm_pla= ne *plane, return r; } - if (plane->type !=3D DRM_PLANE_TYPE_CURSOR) + if (plane->type !=3D DRM_PLANE_TYPE_CURSOR) { domain =3D amdgpu_display_supported_domains(adev, rbo->fla= gs); + /* + * Handle devices with lower carve out. + */ + if (adev->gmc.real_vram_size <=3D AMDGPU_VRAM_MIN_THRESHOLD= ) { + domain |=3D (domain & AMDGPU_GEM_DOMAIN_GTT) ? doma= in : + AMDGPU_GEM_DOMAIN_GTT; + } + } else domain =3D AMDGPU_GEM_DOMAIN_VRAM; -- 2.25.1 --_000_BL1PR12MB53034286ED2BA36EC616C422F2C89BL1PR12MB5303namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

[Public]

 

Thanks Alex for your reply.

The patch is not fixing our issue.

 

Thanks

-Rajib

 

From: Deucher, Alexander <Alexander.Deuche= r@amd.com>
Sent: Thursday, August 26, 2021 11:48 PM
To: Mahapatra, Rajib <Rajib.Mahapatra@amd.com>; Wentland, Harr= y <Harry.Wentland@amd.com>; Kazlauskas, Nicholas <Nicholas.Kazlaus= kas@amd.com>; Wu, Hersen <hersenxs.wu@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/amd/display: Set the domain as GTT when VRA= M size <=3D 32 MB

 

[Public]

 

I think= this may have already been fixed with this patch:

 

Alex

&n= bsp;

From: Mahapatra, Rajib <Rajib.Mahapatra@amd.com>
Sent: Thursday, August 26, 2021 2:07 PM
To: Wentland, Harry <Ha= rry.Wentland@amd.com>; Kazlauskas, Nicholas <Nicholas.Kazlauskas@amd.com>; Deucher, Al= exander <Alexander.Deucher@= amd.com>; Wu, Hersen <hersenxs.wu@amd.com<= /a>>
Cc: amd-gfx@lists.f= reedesktop.org <amd= -gfx@lists.freedesktop.org>; Mahapatra, Rajib <Rajib.Mahapatra@amd.com>
Subject: [PATCH] drm/amd/display: Set the domain as GTT when VRAM si= ze <=3D 32 MB

 

[Why]
In lower carve out (<=3D 32 MB) devices, it was unable to pin framebuffe= r in
VRAM domain for some BO allocations. The device shows below error logs and<= br> sometimes it reboots too.

amdgpu 0000:02:00.0: amdgpu: 00000000d721431c pin failed
[drm:dm_plane_helper_prepare_fb] *ERROR* Failed to pin framebuffer with err= or -12

[How]
Place the domain as GTT when VRAM size <=3D 32 MB.

Signed-off-by: Rajib Mahapatra <rajib.mahapatra@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h     &nbs= p;         |  1 +
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdg= pu/amdgpu.h
index dc3c6b3a00e5..d719be448eec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -236,6 +236,7 @@ extern int amdgpu_num_kcq;
 
 #define AMDGPU_VM_MAX_NUM_CTX      &nbs= p;            4096  #define AMDGPU_SG_THRESHOLD       =             &nb= sp; (256*1024*1024)
+#define AMDGPU_VRAM_MIN_THRESHOLD       = ;       (32*1024*1024)
 #define AMDGPU_DEFAULT_GTT_SIZE_MB      = ;        3072ULL /* 3GB by default */  #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS     &= nbsp;    3000
 #define AMDGPU_MAX_USEC_TIMEOUT      &n= bsp;          100000  /* = 100 ms */
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gp= u/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e1e57e7465a7..f71391599be1 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7106,8 +7106,16 @@ static int dm_plane_helper_prepare_fb(struct drm_pla= ne *plane,
            &nb= sp;    return r;
         }
 
-       if (plane->type !=3D DRM_PLANE_TYP= E_CURSOR)
+       if (plane->type !=3D DRM_PLANE_TYP= E_CURSOR) {
            &nb= sp;    domain =3D amdgpu_display_supported_domains(adev, rbo= ->flags);
+            &n= bsp;  /*
+            &n= bsp;   * Handle devices with lower carve out.
+            &n= bsp;   */
+            &n= bsp;  if (adev->gmc.real_vram_size <=3D AMDGPU_VRAM_MIN_THRESHOL= D) {
+            &n= bsp;          domain |=3D (dom= ain & AMDGPU_GEM_DOMAIN_GTT) ? domain :
+            &n= bsp;            = ;         AMDGPU_GEM_DOMAIN_GTT; +            &n= bsp;  }
+       }
         else
            &nb= sp;    domain =3D AMDGPU_GEM_DOMAIN_VRAM;
 
--
2.25.1

--_000_BL1PR12MB53034286ED2BA36EC616C422F2C89BL1PR12MB5303namp_--